INSTRUCTIONS A HANDBOOK on registration procedure Illustrating the method usea in reporting regis-
tration events, and containing digests of the principal registration forms, may be obtained on request.

ABBREVIATIONS Following are some of the more frequently used abbreviations:

AMEND amendment FS financial statements
CONS consent PR prospectus
EX exhibits RS registration statement
FACE facing sheets
PHOTOCOPIES The number of pages in each document filed with the Commission is reported to facilitate
the placing of orders for photocopies. C Commission sui;plles photocopies of any document, or any
part of any document, on public file. Prices are 10 per page for the first 100 pages in any single
order, and 7q per page for each page over 100 pages. In ordering, give file number and issuer name of
registration statement.

IMPORTANT The Securities and Exchange Commission does not Cass on the merits of or guarantee any
securities registered~ with It.

PROPOSED OFFERING AS AMENDED
AFTER RECLASSIFICATION OF SECURITIES
3 1-4 PC 1ST MTG BDS 1971
TO PUBLIC THRU UNDRWRS AT 106
8100 PAR 5PC SERIES CUM PFD
FIRST IN EXCH SH FOR SH FOR
1100 PAR 7PC CUM SERIES A
6 1-2 PC CUM SERIES B AND
6PC CUM SERIES C PREFERRED
UNEXCHANGED TO PUBLIC
THRU UNDERWRITERS AT 105
TO PUBLIC THRU UNDRWRS AT 105
TOWARD REDEMPTION OF FUNDED DEBT
AND PFD STK & FOR WORKING CAPITAL
UNDERWRITING DATA AS AMENDED
THE FIRST BOSTON CORP ET AL